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Printing Instructions | Text Version
Title: TABLE 1 - ASSIGNED PROTECTION FACTORS
Type: Data Table
2These APF’s are only effective when employer has a continuing, effective respirator program per 1910.134.
3This APF category includes filtering facepieces and elastomeric facepieces.
4Must have manufacturer test evidence to support an APF of 1,000 or else these respirators receive an APF of 25.
5These APFs do not apply to escape-only respirators. Escape respirators must conform to 1910.134(d)(2)(ii) or OSHA’s substance specific standards, if used with those substances.